ICD-11 MMS

20 Developmental anomalies

Structural developmental anomalies primarily affecting one body system  (LA00-LD0Z)

Structural developmental anomalies of the circulatory system  (LA80-LA9Z)

Structural developmental anomaly of heart or great vessels  (LA80-LA8Z)

LA8E Congenital anomaly of atrial septum

LA8E.1 Atrial septal defect within oval fossa

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01


A congenital cardiovascular malformation in which there is an interatrial communication confined to the region of the oval fossa (fossa ovalis), most commonly due to a deficiency of the primary atrial septum (septum primum) but deficiency of the septum secundum (superior interatrial fold) may also contribute.

synonyms

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